79613386064 has 80 divisors (see below), whose sum is σ = 170203106304. Its totient is φ = 35948774400.

The previous prime is 79613386051. The next prime is 79613386079. The reversal of 79613386064 is 46068331697.

It is a junction number, because it is equal to n+sod(n) for n = 79613385997 and 79613386015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382622 + ... + 552834.

Almost surely, 2^79613386064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79613386064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85101553152).

79613386064 is an abundant number, since it is smaller than the sum of its proper divisors (90589720240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79613386064 is a wasteful number, since it uses less digits than its factorization.

79613386064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170316 (or 170310 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 79613386064 in words is "seventy-nine billion, six hundred thirteen million, three hundred eighty-six thousand, sixty-four".